HUT72771A - Drill unit with hole cutter and central drill bit - Google Patents

Drill unit with hole cutter and central drill bit Download PDF

Info

Publication number
HUT72771A
HUT72771A HU9502972A HU9502972A HUT72771A HU T72771 A HUT72771 A HU T72771A HU 9502972 A HU9502972 A HU 9502972A HU 9502972 A HU9502972 A HU 9502972A HU T72771 A HUT72771 A HU T72771A
Authority
HU
Hungary
Prior art keywords
drill
drilling
crown
drill bit
center
Prior art date
Application number
HU9502972A
Other languages
English (en)
Hungarian (hu)
Other versions
HU9502972D0 (en
Inventor
Werner Kleine
Original Assignee
Hilti Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hilti Ag filed Critical Hilti Ag
Publication of HU9502972D0 publication Critical patent/HU9502972D0/hu
Publication of HUT72771A publication Critical patent/HUT72771A/hu

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/113—Retention by bayonet connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/0426—Drills for trepanning with centering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/0473—Details about the connection between the driven shaft and the tubular cutting part; Arbors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
HU9502972A 1994-10-15 1995-10-13 Drill unit with hole cutter and central drill bit HUT72771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4436917A DE4436917A1 (de) 1994-10-15 1994-10-15 Bohreinheit mit Hohlbohrkrone und Zentrierdorn

Publications (2)

Publication Number Publication Date
HU9502972D0 HU9502972D0 (en) 1995-12-28
HUT72771A true HUT72771A (en) 1996-05-28

Family

ID=6530876

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9502972A HUT72771A (en) 1994-10-15 1995-10-13 Drill unit with hole cutter and central drill bit

Country Status (11)

Country Link
US (1) US5775445A (da)
EP (1) EP0706846B1 (da)
JP (1) JPH08197532A (da)
KR (1) KR100351537B1 (da)
CN (1) CN1128201A (da)
AT (1) ATE174242T1 (da)
CA (1) CA2160043C (da)
DE (2) DE4436917A1 (da)
DK (1) DK0706846T3 (da)
FI (1) FI954851L (da)
HU (1) HUT72771A (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19740277B4 (de) * 1997-09-13 2012-05-24 Robert Bosch Gmbh Bohrwerkzeug
DE10101451B4 (de) * 2001-01-15 2010-04-01 Robert Bosch Gmbh Schneidewerkzeug
DE10117262A1 (de) * 2001-01-17 2002-07-18 Hilti Ag Gesteinsbohrer
CN100411785C (zh) * 2006-01-04 2008-08-20 王中华 削圈刀
US20110033256A1 (en) * 2009-08-06 2011-02-10 Johnson He Annular Sawing Structure
US20130101366A1 (en) * 2011-10-21 2013-04-25 Mark Sanders Drill bit for removing bolts and other fasteners
CN105195792A (zh) * 2012-11-26 2015-12-30 胡小青 有效降低制造成本的改良型复合钻头
CN102990138B (zh) * 2012-11-26 2016-01-13 乐清市风杰电子科技有限公司 复合钻头
CN109070244B (zh) * 2016-06-08 2020-10-16 格利浦-X有限公司 孔锯组件
KR101898989B1 (ko) * 2018-04-03 2018-09-14 코리아에프에이(주) 복합소재단열재 패널용 롱홀쏘
CN115012829B (zh) * 2022-07-19 2024-11-01 安徽理工大学 一种用于长大地质钻孔施工的内排式直角梯形钻头及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US616928A (en) * 1899-01-03 Signors op one-third to charles h
GB104800A (en) * 1916-06-09 1917-03-22 Joseph Fletcher Improved Bit for Cutting Circular Apertures in Wooden Cases, Casks and the like.
DE1652518B2 (de) * 1967-05-10 1976-11-11 Friweg-Werkzeug Fritz Wegner Gmbh & Co, 2000 Hamburg Drehschlagbohrkrone
KR870000798Y1 (ko) * 1985-04-24 1987-03-05 김관기 상수도용 천공기
US5466099A (en) * 1993-12-13 1995-11-14 Tdw Delaware, Inc. Cutter shell for forming holes of improved cylindricality

Also Published As

Publication number Publication date
CA2160043C (en) 1999-12-07
FI954851A0 (fi) 1995-10-12
FI954851A7 (fi) 1996-04-16
CA2160043A1 (en) 1996-04-16
ATE174242T1 (de) 1998-12-15
HU9502972D0 (en) 1995-12-28
DE4436917A1 (de) 1996-04-18
EP0706846A1 (de) 1996-04-17
KR960013596A (ko) 1996-05-22
JPH08197532A (ja) 1996-08-06
KR100351537B1 (ko) 2002-12-26
US5775445A (en) 1998-07-07
CN1128201A (zh) 1996-08-07
DK0706846T3 (da) 1999-08-16
EP0706846B1 (de) 1998-12-09
FI954851L (fi) 1996-04-16
DE59504482D1 (de) 1999-01-21

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Legal Events

Date Code Title Description
DFC4 Cancellation of temporary protection due to refusal
DFC4 Cancellation of temporary protection due to refusal